refactor: link libpros through pros-sys

CHANGELOG.md

@@ -27,6 +27,8 @@ Before releasing:
 
 ### Changed
 
+- Linked libpros through `pros_sys` rather than the vexos target spec. (#85)
+
 ### Removed
 
 ## [0.8.0]

armv7a-vexos-eabi.json

@@ -16,12 +16,11 @@
         "gcc": [
             "-nostartfiles",
             "-nostdlib",
-            "-Wl,-Tv5.ld,-Tv5-common.ld,--gc-sections",
-            "-Wl,--start-group,-lgcc,-lpros,-lc,--end-group"
+            "-Wl,-Tv5.ld,-Tv5-common.ld",
+            "--gc-sections"
         ]
     },
     "relocation-model": "static",
-    "target-family": "unix",
     "target-pointer-width": "32",
     "os": "vexos",
     "vendor": "vex"

packages/pros-sys/Cargo.toml

@@ -21,9 +21,3 @@ doctest = false
 [features]
 xapi = []
 no-link = []
-
-[build-dependencies]
-cfg-if = "1.0"
-
-[dependencies]
-cfg-if = "1.0"

packages/pros-sys/build.rs

@@ -1,12 +1,10 @@
-use cfg_if::cfg_if;
-
 fn main() {
-    cfg_if! {
-        if #[cfg(not(feature = "no-link"))] {
-            let manifest_dir = std::env::var("CARGO_MANIFEST_DIR").unwrap();
+    if cfg!(not(feature = "no-link")) {
+        let manifest_dir = std::env::var("CARGO_MANIFEST_DIR").unwrap();
 
-            #[cfg(not(feature = "no-link"))]
-            println!("cargo:rustc-link-search=native={manifest_dir}/link");
-        }
+        println!("cargo:rustc-link-search=native={manifest_dir}/link");
+        println!("cargo:rustc-link-lib=static=pros");
+        println!("cargo:rustc-link-lib=static=c");
+        println!("cargo:rustc-link-lib=static=gcc");
     }
 }

packages/pros/Cargo.toml

@@ -39,4 +39,4 @@ devices = ["dep:pros-devices"]
 math = ["dep:pros-math"]
 
 panic = ["dep:pros-panic"]
-display_panics = ["pros-panic/display_panics"]
+display_panics = ["pros-panic/display_panics"]